| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef SRC_TRACE_PROCESSOR_SLICE_TRACKER_H_ |
| #define SRC_TRACE_PROCESSOR_SLICE_TRACKER_H_ |
| |
| #include <stdint.h> |
| |
| #include "src/trace_processor/trace_storage.h" |
| |
| namespace perfetto { |
| namespace trace_processor { |
| |
| class TraceProcessorContext; |
| |
| class SliceTracker { |
| public: |
| explicit SliceTracker(TraceProcessorContext*); |
| virtual ~SliceTracker(); |
| |
| void BeginAndroid(int64_t timestamp, |
| uint32_t ftrace_tid, |
| uint32_t atrace_tgid, |
| StringId cat, |
| StringId name); |
| |
| // virtual for testing |
| virtual void Begin(int64_t timestamp, |
| UniqueTid utid, |
| StringId cat, |
| StringId name); |
| |
| // virtual for testing |
| virtual void Scoped(int64_t timestamp, |
| UniqueTid utid, |
| StringId cat, |
| StringId name, |
| int64_t duration); |
| |
| void EndAndroid(int64_t timestamp, uint32_t ftrace_tid, uint32_t atrace_tgid); |
| |
| // virtual for testing |
| virtual void End(int64_t timestamp, |
| UniqueTid utid, |
| StringId opt_cat = {}, |
| StringId opt_name = {}); |
| |
| private: |
| using SlicesStack = std::vector<size_t>; |
| |
| void StartSlice(int64_t timestamp, |
| int64_t duration, |
| UniqueTid utid, |
| StringId cat, |
| StringId name); |
| void CompleteSlice(UniqueTid tid); |
| |
| void MaybeCloseStack(int64_t end_ts, SlicesStack*); |
| int64_t GetStackHash(const SlicesStack&); |
| |
| // Timestamp of the previous event. Used to discard events arriving out |
| // of order. |
| int64_t prev_timestamp_ = 0; |
| |
| TraceProcessorContext* const context_; |
| std::unordered_map<UniqueTid, SlicesStack> threads_; |
| std::unordered_map<uint32_t, uint32_t> ftrace_to_atrace_tgid_; |
| }; |
| |
| } // namespace trace_processor |
| } // namespace perfetto |
| |
| #endif // SRC_TRACE_PROCESSOR_SLICE_TRACKER_H_ |